body 
{
    margin: 0 auto;
    width: 1024px;  
}
#header 
{
    width: 100%;
    height: 150px;
    background-color: aqua;
    clear: both;
}
#footer 
{
    width: 100%;
    height: 100px;
    background-color: aqua;
    clear: both;
}
#menu-left
{
    width: 15%;
    float: left;
    height: 650px;
    clear: left;
    background-color: aqua;
}
#content
{
    width: 80%;
    clear: right;
    float: right;
    margin: 0 10px;
} 